13424425443220 has 288 divisors, whose sum is σ = 33499376064000. Its totient is φ = 4505668823040.

The previous prime is 13424425443179. The next prime is 13424425443227. The reversal of 13424425443220 is 2234452442431.

13424425443220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13424425443227) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 141786456 + ... + 141881104.

It is an arithmetic number, because the mean of its divisors is an integer number (116317278000).

Almost surely, 2^{13424425443220} is an apocalyptic number.

13424425443220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13424425443220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16749688032000).

13424425443220 is an abundant number, since it is smaller than the sum of its proper divisors (20074950620780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13424425443220 is a wasteful number, since it uses less digits than its factorization.

13424425443220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94799 (or 94786 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 40.

Adding to 13424425443220 its reverse (2234452442431), we get a palindrome (15658877885651).

The spelling of 13424425443220 in words is "thirteen trillion, four hundred twenty-four billion, four hundred twenty-five million, four hundred forty-three thousand, two hundred twenty".